/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.bpmn.behavior;

import com.je.bpm.core.model.Activity;
import com.je.bpm.core.model.event.BoundaryEvent;
import com.je.bpm.engine.ActivitiException;
import com.je.bpm.engine.delegate.DelegateExecution;
import com.je.bpm.engine.history.DeleteReason;
import com.je.bpm.engine.impl.bpmn.helper.ScopeUtil;
import com.je.bpm.engine.impl.context.Context;
import com.je.bpm.engine.impl.interceptor.CommandContext;
import com.je.bpm.engine.impl.persistence.entity.CompensateEventSubscriptionEntity;
import com.je.bpm.engine.impl.persistence.entity.EventSubscriptionEntityManager;
import com.je.bpm.engine.impl.persistence.entity.ExecutionEntity;
import com.je.bpm.engine.impl.persistence.entity.ExecutionEntityManager;
import java.util.List;

public class BoundaryCancelEventActivityBehavior extends BoundaryEventActivityBehavior {

    private static final long serialVersionUID = 1L;

    @Override
    public void trigger(DelegateExecution execution, String triggerName, Object triggerData) {
        BoundaryEvent boundaryEvent = (BoundaryEvent) execution.getCurrentFlowElement();

        CommandContext commandContext = Context.getCommandContext();
        ExecutionEntityManager executionEntityManager = commandContext.getExecutionEntityManager();

        ExecutionEntity subProcessExecution = null;
        // TODO: this can be optimized. A full search in the all executions shouldn't be needed
        List<ExecutionEntity> processInstanceExecutions = executionEntityManager.findChildExecutionsByProcessInstanceId(execution.getProcessInstanceId());
        for (ExecutionEntity childExecution : processInstanceExecutions) {
            if (childExecution.getCurrentFlowElement() != null
                    && childExecution.getCurrentFlowElement().getId().equals(boundaryEvent.getAttachedToRefId())) {
                subProcessExecution = childExecution;
                break;
            }
        }

        if (subProcessExecution == null) {
            throw new ActivitiException("No execution found for sub process of boundary cancel event " + boundaryEvent.getId());
        }

        EventSubscriptionEntityManager eventSubscriptionEntityManager = commandContext.getEventSubscriptionEntityManager();
        List<CompensateEventSubscriptionEntity> eventSubscriptions = eventSubscriptionEntityManager.findCompensateEventSubscriptionsByExecutionId(subProcessExecution.getParentId());

        if (eventSubscriptions.isEmpty()) {
            leave(execution);
        } else {
            String deleteReason = DeleteReason.BOUNDARY_EVENT_INTERRUPTING + "(" + boundaryEvent.getId() + ")";
            // cancel boundary is always sync
            ScopeUtil.throwCompensationEvent(eventSubscriptions, execution, false);
            executionEntityManager.deleteExecutionAndRelatedData(subProcessExecution, deleteReason);
            if (subProcessExecution.getCurrentFlowElement() instanceof Activity) {
                Activity activity = (Activity) subProcessExecution.getCurrentFlowElement();
                if (activity.getLoopCharacteristics() != null) {
                    ExecutionEntity miExecution = subProcessExecution.getParent();
                    List<ExecutionEntity> miChildExecutions = executionEntityManager.findChildExecutionsByParentExecutionId(miExecution.getId());
                    for (ExecutionEntity miChildExecution : miChildExecutions) {
                        if (subProcessExecution.getId().equals(miChildExecution.getId()) == false && activity.getId().equals(miChildExecution.getCurrentActivityId())) {
                            executionEntityManager.deleteExecutionAndRelatedData(miChildExecution, deleteReason);
                        }
                    }
                }
            }
            leave(execution);
        }
    }
}
